b43: LP-PHY: Implement reading band SPROM
Gábor Stefanik [Tue, 11 Aug 2009 19:47:00 +0000 (21:47 +0200)]
Some of the new variables in b43_phy_lp appear to be dead code in
the vendor driver; they will be removed if they remain unused when
LP-PHY implementation is finished.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/phy_lp.c
drivers/net/wireless/b43/phy_lp.h

index 95e15e6..2bec791 100644 (file)
@@ -59,6 +59,89 @@ static void b43_lpphy_op_free(struct b43_wldev *dev)
        dev->phy.lp = NULL;
 }
 
+static void lpphy_read_band_sprom(struct b43_wldev *dev)
+{
+       struct b43_phy_lp *lpphy = dev->phy.lp;
+       struct ssb_bus *bus = dev->dev->bus;
+       u16 cckpo, maxpwr;
+       u32 ofdmpo;
+       int i;
+
+       if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+               lpphy->tx_isolation_med_band = bus->sprom.tri2g;
+               lpphy->bx_arch = bus->sprom.bxa2g;
+               lpphy->rx_pwr_offset = bus->sprom.rxpo2g;
+               lpphy->rssi_vf = bus->sprom.rssismf2g;
+               lpphy->rssi_vc = bus->sprom.rssismc2g;
+               lpphy->rssi_gs = bus->sprom.rssisav2g;
+               lpphy->txpa[0] = bus->sprom.pa0b0;
+               lpphy->txpa[1] = bus->sprom.pa0b1;
+               lpphy->txpa[2] = bus->sprom.pa0b2;
+               maxpwr = bus->sprom.maxpwr_bg;
+               lpphy->max_tx_pwr_med_band = maxpwr;
+               cckpo = bus->sprom.cck2gpo;
+               ofdmpo = bus->sprom.ofdm2gpo;
+               if (cckpo) {
+                       for (i = 0; i < 4; i++) {
+                               lpphy->tx_max_rate[i] =
+                                       maxpwr - (ofdmpo & 0xF) * 2;
+                               ofdmpo >>= 4;
+                       }
+                       ofdmpo = bus->sprom.ofdm2gpo;
+                       for (i = 4; i < 15; i++) {
+                               lpphy->tx_max_rate[i] =
+                                       maxpwr - (ofdmpo & 0xF) * 2;
+                               ofdmpo >>= 4;
+                       }
+               } else {
+                       ofdmpo &= 0xFF;
+                       for (i = 0; i < 4; i++)
+                               lpphy->tx_max_rate[i] = maxpwr;
+                       for (i = 4; i < 15; i++)
+                               lpphy->tx_max_rate[i] = maxpwr - ofdmpo;
+               }
+       } else { /* 5GHz */
+               lpphy->tx_isolation_low_band = bus->sprom.tri5gl;
+               lpphy->tx_isolation_med_band = bus->sprom.tri5g;
+               lpphy->tx_isolation_hi_band = bus->sprom.tri5gh;
+               lpphy->bx_arch = bus->sprom.bxa5g;
+               lpphy->rx_pwr_offset = bus->sprom.rxpo5g;
+               lpphy->rssi_vf = bus->sprom.rssismf5g;
+               lpphy->rssi_vc = bus->sprom.rssismc5g;
+               lpphy->rssi_gs = bus->sprom.rssisav5g;
+               lpphy->txpa[0] = bus->sprom.pa1b0;
+               lpphy->txpa[1] = bus->sprom.pa1b1;
+               lpphy->txpa[2] = bus->sprom.pa1b2;
+               lpphy->txpal[0] = bus->sprom.pa1lob0;
+               lpphy->txpal[1] = bus->sprom.pa1lob1;
+               lpphy->txpal[2] = bus->sprom.pa1lob2;
+               lpphy->txpah[0] = bus->sprom.pa1hib0;
+               lpphy->txpah[1] = bus->sprom.pa1hib1;
+               lpphy->txpah[2] = bus->sprom.pa1hib2;
+               maxpwr = bus->sprom.maxpwr_al;
+               ofdmpo = bus->sprom.ofdm5glpo;
+               lpphy->max_tx_pwr_low_band = maxpwr;
+               for (i = 4; i < 12; i++) {
+                       lpphy->tx_max_ratel[i] = maxpwr - (ofdmpo & 0xF) * 2;
+                       ofdmpo >>= 4;
+               }
+               maxpwr = bus->sprom.maxpwr_a;
+               ofdmpo = bus->sprom.ofdm5gpo;
+               lpphy->max_tx_pwr_med_band = maxpwr;
+               for (i = 4; i < 12; i++) {
+                       lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2;
+                       ofdmpo >>= 4;
+               }
+               maxpwr = bus->sprom.maxpwr_ah;
+               ofdmpo = bus->sprom.ofdm5ghpo;
+               lpphy->max_tx_pwr_hi_band = maxpwr;
+               for (i = 4; i < 12; i++) {
+                       lpphy->tx_max_rateh[i] = maxpwr - (ofdmpo & 0xF) * 2;
+                       ofdmpo >>= 4;
+               }
+       }
+}
+
 static void lpphy_adjust_gain_table(struct b43_wldev *dev)
 {
        struct b43_phy_lp *lpphy = dev->phy.lp;
@@ -694,7 +777,7 @@ static void lpphy_tx_pctl_init(struct b43_wldev *dev)
 
 static int b43_lpphy_op_init(struct b43_wldev *dev)
 {
-       /* TODO: band SPROM */
+       lpphy_read_band_sprom(dev); //FIXME should this be in prepare_structs?
        lpphy_baseband_init(dev);
        lpphy_radio_init(dev);
        //TODO calibrate RC
index 13d89ea..0461d5b 100644 (file)
@@ -831,6 +831,22 @@ struct b43_phy_lp {
        /* Transmit isolation high band */
        u8 tx_isolation_hi_band; /* FIXME initial value? */
 
+       /* Max transmit power medium band */
+       u16 max_tx_pwr_med_band;
+       /* Max transmit power low band */
+       u16 max_tx_pwr_low_band;
+       /* Max transmit power high band */
+       u16 max_tx_pwr_hi_band;
+
+       /* FIXME What are these used for? */
+       /* FIXME Is 15 the correct array size? */
+       u16 tx_max_rate[15];
+       u16 tx_max_ratel[15];
+       u16 tx_max_rateh[15];
+
+       /* Transmit power arrays */
+       s16 txpa[3], txpal[3], txpah[3];
+
        /* Receive power offset */
        u8 rx_pwr_offset; /* FIXME initial value? */